NewslettersImmunology of Infectious Disease News COVID-19 and Asthma Onset in Children By lbeveridge - April 18, 2024 0 This retrospective cohort study examined children ages 1 to 16 within the Children’s Hospital of Philadelphia Care Network who received PCR testing for SARS-CoV-2 between March 1, 2020 and February 28, 2021. [Pediatrics] Full ArticlePress Release